package com.json.controller;

import com.alibaba.fastjson2.JSON;
import com.json.entity.ResponseResult;
import com.json.entity.Student;
import com.json.service.StudentService;
import com.json.service.impl.StudentServiceImpl;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.List;

@WebServlet("/findStudents")
public class FindStudentsServlet extends HttpServlet {

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        //设置请求和响应编码
        req.setCharacterEncoding("UTF-8");
        resp.setCharacterEncoding("UTF-8");
        //设置响应类型
        resp.setContentType("application/json;charset=UTF-8");
        StudentService studentService = new StudentServiceImpl();
        List<Student> allStudents = studentService.findAllStudents();
        resp.getWriter().write(JSON.toJSONString(new ResponseResult(200,"OK",allStudents)));
    }
}
